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Finding the Fourth Proportional to 652,131.70, 978,197.55 and 297,837.70

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Solution

The fourth proportional to 652,131.70, 978,197.55 and 297,837.70 is: 446,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,131.70 : 978,197.55 = 297,837.70 : x
  2. Step 2: Convert to fraction form
    652,131.70/978,197.55 = 297,837.70/x
  3. Step 3: Cross multiply
    652,131.70x = 978,197.55 × 297,837.70
  4. Step 4: Simplify right side
    652,131.70x = 291,344,108,437.64
  5. Step 5: Solve for x
    x = 291,344,108,437.64/652,131.70
  6. Step 6: Final answer
    x = 446,756.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.